6B595 or 74HC595 C language source program #include#define uchar unsigned char uchar code DAT[18]={ 0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x67,0xbf,0x86,0xdb,0xcf,0xe6,0xed,0x00,0x40 }; uchar...
The integrated development environment is ADS1.2, DNW serial port hyperterminal. The 4x4 keyboard in the development board is used for input, and the numbers are displayed on the 8-digit LED digital t...
Imagine having a head-up display (HUD) clipped to your car's visor that projects driving directions onto your windshield. Imagine having a tablet with a built-in micro projector, allowing you to share...
I set the backlight to automatically turn off after 1 minute in the control panel, but it never turns off. The backlight driver supports power management, including IOCTL_POWER_CAPABILITIES, IOCTL_POW...
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guang...[Details]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
Among the many members of the single-chip microcomputer family, the MCS-51 series of single-chip microcomputers has occupied the main market of industrial measurement and control and automation eng...[Details]
From the previous section, we have learned that the timer/counter in the microcontroller can have multiple uses, so how can I make them work for the purpose I need? This requires setting the timer/...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
Introduction
Today, as IC (integrated circuit) has developed to a super-large scale, IC design based on IP (Intellectual Property) cores and their reuse are important means to ensure the ef...[Details]
Zarlink Semiconductor has developed an ultra-low-power RF transceiver chip for pacemakers, neurostimulators, drug pumps, and other such implantable medical devices. It has high data rates, low power c...[Details]
The future energy storage hotspot is not coal or iron ore, but lithium. This lightest metal in nature may be the heaviest resource in the future energy landscape. China launched an ambitious electr...[Details]
Designing low power circuits while achieving acceptable performance is a difficult task. Doing so in
the RF
bands increases the challenge dramatically. Today, nearly everything has wireless...[Details]
1. Advantages of CAN-bus in coal mine communication
Coal mine production is a field closely related to the national economy and people's livelihood. Among them, coal mine safety is undoubtedly ...[Details]
In the TV monitoring system, in order to complete the collection of information from various information points (video, audio, alarm signal) and the control of various front-end devices (PTZ, lens,...[Details]
Some people think: as long as the program runs well, it doesn't matter how the original program is written. But this is absolutely not the case. Software is not completed in one go, and it is neces...[Details]
Since the first rechargeable battery was invented in 1859, batteries have been developed for a century and a half. With the improvement of human science and technology and the advancement of manufa...[Details]
A common problem encountered in electronic design is the testing of the transmission characteristics of the circuit under test (DUT). The transmission characteristics here include gain and attenuat...[Details]
Since the emergence of electronic system noise reduction technology in the mid-1970s, the Federal Communications Commission of the United States in 1990 and the European Union in 1992 proposed regu...[Details]